National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

86°F

30°C

Humidity 59%
Wind Speed S 8 mph
Barometer 29.94 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 25 Jun 2:50 pm CDT
Extended Forecast for

2 Miles NNE Denison TX

  • This Afternoon

    This Afternoon: A slight chance of showers before 4pm, then a slight chance of sprinkles after 4pm. Mostly sunny, with a high near 91. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Increasing clouds, with a low around 77. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 93. Heat index values as high as 99. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 78. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 94. South wind around 15 mph, with gusts as high as 20 mph.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96. South wind around 15 mph, with gusts as high as 25 mph.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 97. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 97 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers before 4pm, then a slight chance of sprinkles after 4pm. Mostly sunny, with a high near 91. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
Increasing clouds, with a low around 77. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 93. Heat index values as high as 99. South southwest wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 78. South wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 94. South wind around 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 77. South wind around 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 96. South wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 78. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 97. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny, with a high near 97.
Tuesday Night
Clear, with a low around 78.
Wednesday
Sunny, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Denison TX
 33.78°N 96.55°W (Elev. 650 ft)
Last Update:
3:02 pm CDT Jun 25, 2026
Forecast Valid:
3pm CDT Jun 25, 2026-6pm CDT Jul 1, 2026
 
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